Zip Code 37604
Johnson City, Tennessee — Washington County
📍 ZIP code 37604 is in Johnson City, Washington County, Tennessee.
ZIP code 37604 is located in Johnson City, Washington County, Tennessee. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 38,359. The area code for ZIP code 37604 is 423.
Quick Answer
Zip code 37604 is in Johnson City, Tennessee (Washington County). It has a population of 38,359, median household income of $49,351, and median home value of $231,900.
Population
38,359
Income
$49,351
Home Value
$231,900
Climate
86°F / 26°F
About Zip Code 37604
Zip code 37604 is located in Johnson City, Tennessee, within Washington County. Home to approximately 38,359 residents, this area sits at an elevation of 1736 ft and falls within the Central (CST/CDT) timezone. The local area code is 423.
The median household income is $49,351 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $231,900, and the cost of living index is 70 (30% below the national average of 100).
Summers average a high of 86°F while winters drop to 26°F. The area receives about 48 in of rain and 6 in of snow annually. The zip code covers 33.8 square miles of land area.
Key Statistics
38,359
$49,351
$231,900
Central (CST/CDT)
423
1736 ft
33.8 sq mi
35.6
19,334
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Compare With Nearby Zip Codes
| Metric | 37604 | 37614 | 37601 | 37659 | 37615 | 37694 |
|---|---|---|---|---|---|---|
| City | Johnson City, TN | Johnson City, TN | Johnson City, TN | Jonesborough, TN | Johnson City, TN | Elizabethton, TN |
| Population | 38,359 | 2,581 | 38,622 | 29,247 | 22,013 | 1,738 |
| Median Income | $49,351 | $0 | $49,658 | $69,765 | $75,556 | $60,125 |
| Home Value | $231,900 | $0 | $187,000 | $241,700 | $261,200 | $166,300 |
| Cost of Living | 70 | 100 | 64 | 84 | 92 | 62 |
| Median Age | 35.6 | 19.5 | 38.9 | 45.9 | 44.5 | 48.5 |
Cost of Living
100 = National Average. Johnson City's cost of living is 30% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
4.7x
Demographics
Zip code 37604 has a population of 38,359 people with a median age of 35.6. There are 19,334 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Johnson City (37604) population trend from 2010 to 2024
↑ 19.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
26°F
48 in
6 in
Johnson City experiences warm summers with average highs around 86°F. Winters are cool with lows averaging 26°F. The area receives about 6 in of snow per year.
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Housing & Economy
Median Home Value
$231,900
Median Household Income
$49,351
With 19,334 housing units across 33.8 square miles, 37604 has a housing density of 572 units per square mile. The home price-to-income ratio is 4.7x.
Location & Geography
Latitude
36.2996°
Longitude
-82.3832°
Land Area
33.8 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 37604 (Johnson City, TN) with distances:
All Zip Codes in Johnson City, TN
Other zip codes serving Johnson City:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 37604's $49,351. A way to compare Johnson City to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 37604 (Johnson City, TN). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Johnson City, Tennessee?
Johnson City, Tennessee uses zip code 37604 along with 3 other zip codes.
What county is zip code 37604 in?
Zip code 37604 is located in Washington County, Tennessee.
What is the population of zip code 37604?
The population of zip code 37604 is 38,359 with a median age of 35.6.
Is 37604 in Johnson City, Tennessee?
Yes, zip code 37604 is in Johnson City, Washington County, Tennessee. The area code is 423.
Frequently Asked Questions
What city is zip code 37604 in?
Zip code 37604 is in Johnson City, Tennessee. It is part of Washington County and uses the Central (CST/CDT) timezone.
What is zip code 37604?
Zip code 37604 is a U.S. postal code in Johnson City, Tennessee (Washington County). It has a population of 38,359 and covers 33.8 square miles.
What is the population of zip code 37604?
The population of zip code 37604 (Johnson City, TN) is 38,359 with a median age of 35.6. There are approximately 19,334 housing units in this area.
What is the median income in zip code 37604?
The median household income in zip code 37604 (Johnson City, TN) is $49,351 per year. The cost of living index is 70 (100 = national average).
What is the average home price in zip code 37604?
The median home value in zip code 37604 (Johnson City, TN) is $231,900. The cost of living index is 70 compared to the national average of 100.
What county is zip code 37604 in?
Zip code 37604 is located in Washington County, Tennessee. The primary city is Johnson City.
What is the area code for zip code 37604?
Zip code 37604 in Johnson City, TN uses area code 423. It is located in the Central (CST/CDT) timezone.
Is zip code 37604 a good place to live?
Zip code 37604 (Johnson City, TN) has a cost of living index of 70 (100 = national average), a median household income of $49,351, and median home values of $231,900. The median age is 35.6. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 37604?
The cost of living index for zip code 37604 (Johnson City, TN) is 70, where 100 represents the national average. This area is below the national average. Median home value: $231,900.
What schools serve zip code 37604?
Zip code 37604 in Johnson City, Tennessee is served by the local school district of Washington County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.